<template>
  <div class="bottom-view">
    <el-card shadow="hover" class="view">
      <template #header>
        <div>关键词搜索</div>
      </template>

      <div class="search-view">
        <div class="chart-wrap">
          <div class="chart">
            <div class="title">搜索用户数</div>
            <div class="count">{{ lineChartData.totalUser }}</div>
            <v-chart
              :option="getLineOption('userList', '搜索用户数')"
              autoresize
            ></v-chart>
          </div>
          <div class="chart">
            <div class="title">搜索量</div>
            <div class="count">
              {{ lineChartData.totalCount }}
            </div>
            <v-chart
              :option="getLineOption('countList', '搜索量')"
              autoresize
            ></v-chart>
          </div>
        </div>
        <div class="search-table">
          <el-table :data="tableData" :style="{ width: '100%' }">
            <el-table-column prop="rankNo" label="排名"> </el-table-column>
            <el-table-column prop="word" label="关键字"> </el-table-column>
            <el-table-column prop="count" label="搜索数量"> </el-table-column>
            <el-table-column prop="user" label="搜索用户数"> </el-table-column>
            <el-table-column prop="range" label="搜索占比"> </el-table-column>
          </el-table>
          <el-pagination
            layout="prev, pager, next"
            :total="tableTotalData.length"
            v-model:current-page="currentPage"
            :page-size="pageSize"
          >
          </el-pagination>
        </div>
      </div>
    </el-card>

    <el-card shadow="hover" class="view">
      <template #header>
        <div>分类销售排行</div>
        <el-radio-group v-model="radioSelect" size="small">
          <el-radio-button label="品类"></el-radio-button>
          <el-radio-button label="商品"></el-radio-button>
        </el-radio-group>
      </template>

      <div class="search-view">
        <v-chart :option="getPieOption()" autoresize />
      </div>
    </el-card>
  </div>
</template>

<script lang="ts">
export default {
  name: "BottomView",
};
</script>

<script lang="ts" setup>
import { useDataStore } from "@/stores/reportData";
import { computed, ref } from "vue";

const radioSelect = ref("品类");
const currentPage = ref(1);
const pageSize = ref(5);
const dataStore = useDataStore();
const searchWord = computed(() => dataStore.reportData.searchWord);
const saleRank = computed(() => dataStore.reportData.saleRank);

const tableTotalData = computed(() => {
  if (!searchWord.value) return [];
  return searchWord.value.map((item, index) => ({
    ...item,
    rankNo: index + 1,
    range: ((item.user / item.count) * 100).toFixed(2) + "%",
  }));
});

const tableData = computed(() => {
  return tableTotalData.value.slice(
    (currentPage.value - 1) * pageSize.value,
    currentPage.value * pageSize.value
  );
});

const lineChartData = computed(() => {
  const data = {
    wordList: [] as string[],
    userList: [] as number[],
    countList: [] as number[],
    totalUser: 0,
    totalCount: 0,
  };
  if (tableTotalData.value && tableTotalData.value.length > 0) {
    tableTotalData.value.forEach((item) => {
      data.wordList.push(item.word);
      data.userList.push(item.user);
      data.countList.push(item.count);
      data.totalUser += item.user;
      data.totalCount += item.count;
    });
  }

  return data;
});

const pieChartData = computed(() => {
  const data = {
    categoryList: [] as any[],
    cTotal: 0,
    goodsList: [] as any[],
    gTotal: 0,
  };

  if (saleRank.value) {
    const {
      category: { axisX, data1 },
      goods: { axisX: axisX2, data1: data2 },
    } = saleRank.value;
    const total = data1.reduce((pre, item) => pre + item, 0);
    data.cTotal = total;

    axisX.forEach((item, index) => {
      const percent = ((data1[index] / total) * 100).toFixed(2) + "%";
      data.categoryList.push({
        name: item + "|" + percent,
        value: data1[index],
        percent,
        labelName: item,
      });
    });

    const total2 = data2.reduce((pre, item) => pre + item, 0);
    data.gTotal = total2;
    axisX2.forEach((item, index) => {
      const percent = ((data2[index] / total2) * 100).toFixed(2) + "%";
      data.goodsList.push({
        name: item + "|" + percent,
        value: data2[index],
        percent,
        labelName: item,
      });
    });
  }

  return data;
});

const getLineOption = (listName: "userList" | "countList", name: string) => {
  return {
    xAxis: {
      // type: "category",
      data: lineChartData.value.wordList,
    },
    yAxis: {
      show: false,
    },
    series: [
      {
        name, // 名称
        type: "line",
        // 列表数据
        data: lineChartData.value[listName],
        // 线条光滑
        smooth: true,
        // 区域的样式
        areaStyle: {
          color: "yellow",
        },
        // 点项的样式
        itemStyle: {
          opacity: 1,
        },
        // 线的样式
        lineStyle: {
          color: "blue",
        },
      },
    ],
    // 图表在坐标中显示的位置
    grid: {
      left: 0,
      top: 0,
      right: 0,
      bottom: 0,
    },
    // 显示提示
    tooltip: {
      trigger: "axis",
    },
  };
};

const getPieOption = () => {
  const { categoryList, goodsList, cTotal, gTotal } = pieChartData.value;

  const list = radioSelect.value === "品类" ? categoryList : goodsList;
  const total = radioSelect.value === "品类" ? cTotal : gTotal;

  return {
    // 标题如果是一个数组,则代表有多个标题
    title: [
      //第一个标题
      {
        //标题文本
        text: `${radioSelect.value}分布`,
        //标题样式
        textStyle: {
          fontSize: 20,
          color: "blue",
        },
        //标题的位置
        left: 120,
        top: 20,
      },

      //第二个标题
      {
        text: "累计订单量", //标题内容
        subtext: total, //副标题内容
        textStyle: {
          //标题样式
          fontSize: 14,
          color: "hotpink",
        },
        subtextStyle: {
          //副标题样式
          fontSize: 28,
          color: "orange",
        },
        left: "34.5%",
        top: "42.5%",
        textAlign: "center", //以定义的坐标为自己文字的中点
      },
    ],

    //图例
    legend: {
      //垂直摆放图例
      orient: "vertical",
      //图例的定位
      left: "70%",
      top: "middle",
      // 图例的样式
      textStyle: {
        color: "red",
        fontStyle: "italic",
      },
    },
    //图标配置
    series: [
      {
        name: `${radioSelect.value}分布`,
        // 列表数据
        data: list,

        type: "pie",
        // 中心点坐标
        center: ["35%", "50%"],
        // 圆环的半径
        radius: ["35%", "50%"],
        // 不用防止标签文本与图重叠(圆环图)
        avoidLabelOverlap: false,
        // 间隔区域样式
        itemStyle: {
          borderColor: "red",
          borderWidth: 2,
        },
        // 图表项的标题
        label: {
          // 在环的外侧
          position: "outside",
          // 指定特定标题
          formatter: function (params: any) {
            return params.data.labelName;
          },
        },
        // 标签的视觉引导线
        labelLine: {
          length: 7,
          length2: 5,
        },
      },
    ],
    // 提示
    tooltip: {
      // 整个图表项触发
      trigger: "item",
      // 格式化提示内容及样式
      formatter: (params: any) => {
        /* 
        data: 当前项数据
        marker: 内置提供的圆点标签
        */
        // console.log(params)
        return `${radioSelect.value}分布<br>
                  ${params.marker + params.data.labelName}<br>
                  ${params.marker}数量: ${params.data.value}<br>
                  ${params.marker}占比: ${params.data.percent}
                `;
      },
    },
  };
};
</script>

<style lang="scss" scoped>
.bottom-view {
  display: flex;
  margin-top: 20px;

  .view {
    flex: 1;

    &:first-child {
      margin-right: 10px;
    }

    &:last-child {
      margin-left: 10px;
    }

    :deep(.el-card__header) {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 60px;
    }

    .search-view {
      height: 450px;
      display: flex;
      flex-direction: column;

      .chart-wrap {
        display: flex;

        .chart {
          flex: 1;

          &:first-child {
            margin-right: 5px;
          }

          &:last-child {
            margin-left: 5px;
          }

          .title {
            font-size: 14px;
            color: #999;
          }

          .count {
            font-size: 22px;
            color: #333;
            font-weight: 500;
            letter-spacing: 2px;
          }

          .echarts {
            height: 50px;
          }
        }
      }

      .search-table {
        flex: 1;
        margin-top: 20px;

        .el-pagination {
          text-align: right;
          margin-top: 10px;
        }
      }
    }
  }
}
</style>
